Sonogram tomorrow (6wks2d)

Ke

Tomorrow afternoon I have a sonogram.. I will be 6wk and 3D. I'm so scared. Last time I went in for a sonogram back in October they couldn't see anything and I miscarried a few days later. I'm so scared!l scared to death the same thing might happen again. Please send positive vibes and prayers that everything is ok. Has anyone else had a sonogram at this tim? If so, what did you see?